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有机硅是由硅原子和氧原子长链组成的合成聚合物。全球有机硅年产量超过260万t，其制造过程依赖于高能耗工艺。有机硅70%以上的碳足迹源自采用矿物原料生产单质硅的过程，而其消费后废料往往通过填埋或焚烧处理，进而会产生更多碳足迹。由于硅氧键的强度高，且制造配方中含有有机填料、催化剂等多种添加剂，因此将有机硅分解为小分子极具挑战性。在《Science》的研究报告中，法国国家科学研究中心Nam Đú'c Vũ等提出一种方法，能够将消费后工业有机硅废料从交联网络解聚为氯硅烷，而氯硅烷是有机硅生产中的一种关键中间体。这种解聚化学工艺有望应用于大规模有机硅生产工艺。

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（图片来源：新疆日报）

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利用原料生产有机硅需要依赖高能耗工艺。三氯化硼（BCl₃）和氯化镓（GaCl₃）的同步催化作用则可以克服热力学障碍，打破高强度的硅氧键，从而获得用于生产有机硅的氯硅烷中间体。

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